Originally Posted By BSB67
Number one I believe is a pre 67 intake and has the smaller carb bolt pattern. It might be a little shorter, and the runners maybe smaller too.
Your correct on Mopar using the Carter AFB up to 1967 and then the Carter AVS for several years, they also used the Holleys with that open intake on some of the low po non magnum motor cars and ended up using them, Holleys, on the 1970/1971 383 Magnums shruggy


Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)